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Unified Diff: source/libvpx/vp8/decoder/detokenize.c

Issue 7671004: Update libvpx snapshot to v0.9.7-p1 (Cayuga). (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/libvpx/
Patch Set: '' Created 9 years, 4 months ago
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Index: source/libvpx/vp8/decoder/detokenize.c
===================================================================
--- source/libvpx/vp8/decoder/detokenize.c (revision 96967)
+++ source/libvpx/vp8/decoder/detokenize.c (working copy)
@@ -38,37 +38,41 @@
#define CAT_THREE_CONTEXT_NODE 9
#define CAT_FIVE_CONTEXT_NODE 10
-/*
-//the definition is put in "onyxd_int.h"
-typedef struct
-{
- INT16 min_val;
- INT16 Length;
- UINT8 Probs[12];
-} TOKENEXTRABITS;
-*/
+#define CAT1_MIN_VAL 5
+#define CAT2_MIN_VAL 7
+#define CAT3_MIN_VAL 11
+#define CAT4_MIN_VAL 19
+#define CAT5_MIN_VAL 35
+#define CAT6_MIN_VAL 67
-DECLARE_ALIGNED(16, static const TOKENEXTRABITS, vp8d_token_extra_bits2[MAX_ENTROPY_TOKENS]) =
-{
- { 0, -1, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* ZERO_TOKEN */
- { 1, 0, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* ONE_TOKEN */
- { 2, 0, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* TWO_TOKEN */
- { 3, 0, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* THREE_TOKEN */
- { 4, 0, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* FOUR_TOKEN */
- { 5, 0, { 159, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* DCT_VAL_CATEGORY1 */
- { 7, 1, { 145, 165, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* DCT_VAL_CATEGORY2 */
- { 11, 2, { 140, 148, 173, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* DCT_VAL_CATEGORY3 */
- { 19, 3, { 135, 140, 155, 176, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* DCT_VAL_CATEGORY4 */
- { 35, 4, { 130, 134, 141, 157, 180, 0, 0, 0, 0, 0, 0, 0 } }, /* DCT_VAL_CATEGORY5 */
- { 67, 10, { 129, 130, 133, 140, 153, 177, 196, 230, 243, 254, 254, 0 } }, /* DCT_VAL_CATEGORY6 */
- { 0, -1, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* EOB TOKEN */
-};
+#define CAT1_PROB0 159
+#define CAT2_PROB0 145
+#define CAT2_PROB1 165
+#define CAT3_PROB0 140
+#define CAT3_PROB1 148
+#define CAT3_PROB2 173
+#define CAT4_PROB0 135
+#define CAT4_PROB1 140
+#define CAT4_PROB2 155
+#define CAT4_PROB3 176
+
+#define CAT5_PROB0 130
+#define CAT5_PROB1 134
+#define CAT5_PROB2 141
+#define CAT5_PROB3 157
+#define CAT5_PROB4 180
+
+static const unsigned char cat6_prob[12] =
+{ 129, 130, 133, 140, 153, 177, 196, 230, 243, 254, 254, 0 };
+
+
void vp8_reset_mb_tokens_context(MACROBLOCKD *x)
{
/* Clear entropy contexts for Y2 blocks */
- if (x->mode_info_context->mbmi.mode != B_PRED && x->mode_info_context->mbmi.mode != SPLITMV)
+ if (x->mode_info_context->mbmi.mode != B_PRED &&
+ x->mode_info_context->mbmi.mode != SPLITMV)
{
vpx_memset(x->above_context, 0, sizeof(ENTROPY_CONTEXT_PLANES));
vpx_memset(x->left_context, 0, sizeof(ENTROPY_CONTEXT_PLANES));
@@ -80,7 +84,7 @@
}
}
-DECLARE_ALIGNED(16, extern const unsigned char, vp8dx_bitreader_norm[256]);
+DECLARE_ALIGNED(16, extern const unsigned char, vp8_norm[256]);
#define FILL \
if(count < 0) \
VP8DX_BOOL_DECODER_FILL(count, value, bufptr, bufend);
@@ -88,7 +92,7 @@
#define NORMALIZE \
/*if(range < 0x80)*/ \
{ \
- shift = vp8dx_bitreader_norm[range]; \
+ shift = vp8_norm[range]; \
range <<= shift; \
value <<= shift; \
count -= shift; \
@@ -157,12 +161,12 @@
qcoeff_ptr [ scan[c] ] = (INT16) v; \
++c; \
goto DO_WHILE; }\
- qcoeff_ptr [ scan[15] ] = (INT16) v; \
+ qcoeff_ptr [ 15 ] = (INT16) v; \
goto BLOCK_FINISHED;
-#define DECODE_EXTRABIT_AND_ADJUST_VAL(t,bits_count)\
- split = 1 + (((range-1) * vp8d_token_extra_bits2[t].Probs[bits_count]) >> 8); \
+#define DECODE_EXTRABIT_AND_ADJUST_VAL(prob, bits_count)\
+ split = 1 + (((range-1) * prob) >> 8); \
bigsplit = (VP8_BD_VALUE)split << (VP8_BD_VALUE_SIZE - 8); \
FILL \
if(value >= bigsplit)\
@@ -181,7 +185,7 @@
{
ENTROPY_CONTEXT *A = (ENTROPY_CONTEXT *)x->above_context;
ENTROPY_CONTEXT *L = (ENTROPY_CONTEXT *)x->left_context;
- const VP8_COMMON *const oc = & dx->common;
+ const FRAME_CONTEXT * const fc = &dx->common.fc;
BOOL_DECODER *bc = x->current_bc;
@@ -220,7 +224,8 @@
scan = vp8_default_zig_zag1d;
qcoeff_ptr = &x->qcoeff[0];
- if (x->mode_info_context->mbmi.mode != B_PRED && x->mode_info_context->mbmi.mode != SPLITMV)
+ if (x->mode_info_context->mbmi.mode != B_PRED &&
+ x->mode_info_context->mbmi.mode != SPLITMV)
{
i = 24;
stop = 24;
@@ -236,7 +241,7 @@
range = bc->range;
- coef_probs = oc->fc.coef_probs [type] [ 0 ] [0];
+ coef_probs = fc->coef_probs [type] [ 0 ] [0];
BLOCK_LOOP:
a = A + vp8_block2above[i];
@@ -256,16 +261,21 @@
CHECK_0_:
DECODE_AND_LOOP_IF_ZERO(Prob[ZERO_CONTEXT_NODE], CHECK_0_);
DECODE_AND_BRANCH_IF_ZERO(Prob[ONE_CONTEXT_NODE], ONE_CONTEXT_NODE_0_);
- DECODE_AND_BRANCH_IF_ZERO(Prob[LOW_VAL_CONTEXT_NODE], LOW_VAL_CONTEXT_NODE_0_);
- DECODE_AND_BRANCH_IF_ZERO(Prob[HIGH_LOW_CONTEXT_NODE], HIGH_LOW_CONTEXT_NODE_0_);
- DECODE_AND_BRANCH_IF_ZERO(Prob[CAT_THREEFOUR_CONTEXT_NODE], CAT_THREEFOUR_CONTEXT_NODE_0_);
- DECODE_AND_BRANCH_IF_ZERO(Prob[CAT_FIVE_CONTEXT_NODE], CAT_FIVE_CONTEXT_NODE_0_);
- val = vp8d_token_extra_bits2[DCT_VAL_CATEGORY6].min_val;
- bits_count = vp8d_token_extra_bits2[DCT_VAL_CATEGORY6].Length;
+ DECODE_AND_BRANCH_IF_ZERO(Prob[LOW_VAL_CONTEXT_NODE],
+ LOW_VAL_CONTEXT_NODE_0_);
+ DECODE_AND_BRANCH_IF_ZERO(Prob[HIGH_LOW_CONTEXT_NODE],
+ HIGH_LOW_CONTEXT_NODE_0_);
+ DECODE_AND_BRANCH_IF_ZERO(Prob[CAT_THREEFOUR_CONTEXT_NODE],
+ CAT_THREEFOUR_CONTEXT_NODE_0_);
+ DECODE_AND_BRANCH_IF_ZERO(Prob[CAT_FIVE_CONTEXT_NODE],
+ CAT_FIVE_CONTEXT_NODE_0_);
+ val = CAT6_MIN_VAL;
+ bits_count = 10;
+
do
{
- DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY6, bits_count);
+ DECODE_EXTRABIT_AND_ADJUST_VAL(cat6_prob[bits_count], bits_count);
bits_count -- ;
}
while (bits_count >= 0);
@@ -273,41 +283,43 @@
DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(val);
CAT_FIVE_CONTEXT_NODE_0_:
- val = vp8d_token_extra_bits2[DCT_VAL_CATEGORY5].min_val;
- DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY5, 4);
- DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY5, 3);
- DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY5, 2);
- DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY5, 1);
- DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY5, 0);
+ val = CAT5_MIN_VAL;
+ DECODE_EXTRABIT_AND_ADJUST_VAL(CAT5_PROB4, 4);
+ DECODE_EXTRABIT_AND_ADJUST_VAL(CAT5_PROB3, 3);
+ DECODE_EXTRABIT_AND_ADJUST_VAL(CAT5_PROB2, 2);
+ DECODE_EXTRABIT_AND_ADJUST_VAL(CAT5_PROB1, 1);
+ DECODE_EXTRABIT_AND_ADJUST_VAL(CAT5_PROB0, 0);
DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(val);
CAT_THREEFOUR_CONTEXT_NODE_0_:
- DECODE_AND_BRANCH_IF_ZERO(Prob[CAT_THREE_CONTEXT_NODE], CAT_THREE_CONTEXT_NODE_0_);
- val = vp8d_token_extra_bits2[DCT_VAL_CATEGORY4].min_val;
- DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY4, 3);
- DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY4, 2);
- DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY4, 1);
- DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY4, 0);
+ DECODE_AND_BRANCH_IF_ZERO(Prob[CAT_THREE_CONTEXT_NODE],
+ CAT_THREE_CONTEXT_NODE_0_);
+ val = CAT4_MIN_VAL;
+ DECODE_EXTRABIT_AND_ADJUST_VAL(CAT4_PROB3, 3);
+ DECODE_EXTRABIT_AND_ADJUST_VAL(CAT4_PROB2, 2);
+ DECODE_EXTRABIT_AND_ADJUST_VAL(CAT4_PROB1, 1);
+ DECODE_EXTRABIT_AND_ADJUST_VAL(CAT4_PROB0, 0);
DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(val);
CAT_THREE_CONTEXT_NODE_0_:
- val = vp8d_token_extra_bits2[DCT_VAL_CATEGORY3].min_val;
- DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY3, 2);
- DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY3, 1);
- DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY3, 0);
+ val = CAT3_MIN_VAL;
+ DECODE_EXTRABIT_AND_ADJUST_VAL(CAT3_PROB2, 2);
+ DECODE_EXTRABIT_AND_ADJUST_VAL(CAT3_PROB1, 1);
+ DECODE_EXTRABIT_AND_ADJUST_VAL(CAT3_PROB0, 0);
DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(val);
HIGH_LOW_CONTEXT_NODE_0_:
- DECODE_AND_BRANCH_IF_ZERO(Prob[CAT_ONE_CONTEXT_NODE], CAT_ONE_CONTEXT_NODE_0_);
+ DECODE_AND_BRANCH_IF_ZERO(Prob[CAT_ONE_CONTEXT_NODE],
+ CAT_ONE_CONTEXT_NODE_0_);
- val = vp8d_token_extra_bits2[DCT_VAL_CATEGORY2].min_val;
- DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY2, 1);
- DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY2, 0);
+ val = CAT2_MIN_VAL;
+ DECODE_EXTRABIT_AND_ADJUST_VAL(CAT2_PROB1, 1);
+ DECODE_EXTRABIT_AND_ADJUST_VAL(CAT2_PROB0, 0);
DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(val);
CAT_ONE_CONTEXT_NODE_0_:
- val = vp8d_token_extra_bits2[DCT_VAL_CATEGORY1].min_val;
- DECODE_EXTRABIT_AND_ADJUST_VAL(DCT_VAL_CATEGORY1, 0);
+ val = CAT1_MIN_VAL;
+ DECODE_EXTRABIT_AND_ADJUST_VAL(CAT1_PROB0, 0);
DECODE_SIGN_WRITE_COEFF_AND_CHECK_EXIT(val);
LOW_VAL_CONTEXT_NODE_0_:
@@ -332,7 +344,7 @@
goto DO_WHILE;
}
- qcoeff_ptr [ scan[15] ] = (INT16) v;
+ qcoeff_ptr [ 15 ] = (INT16) v;
BLOCK_FINISHED:
*a = *l = ((eobs[i] = c) != !type); /* any nonzero data? */
eobtotal += c;
@@ -348,7 +360,7 @@
type = 0;
i = 0;
stop = 16;
- coef_probs = oc->fc.coef_probs [type] [ 0 ] [0];
+ coef_probs = fc->coef_probs [type] [ 0 ] [0];
qcoeff_ptr -= (24*16 + 16);
goto BLOCK_LOOP;
}
@@ -356,7 +368,7 @@
if (i == 16)
{
type = 2;
- coef_probs = oc->fc.coef_probs [type] [ 0 ] [0];
+ coef_probs = fc->coef_probs [type] [ 0 ] [0];
stop = 24;
goto BLOCK_LOOP;
}
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